2021 Specialized Allez Elite vs 2023 Specialized Roubaix SL8 Comp
The 52 is the Specialized Roubaix SL8 Comp size closest to your 54 Specialized Allez Elite. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Roubaix SL8 Comp
Compared with the Specialized Allez Elite in 54, the Specialized Roubaix SL8 Comp in 52 places the top of the head tube at about the same height and 10 mm further back, relative to the bottom bracket. Its wheelbase is 7 mm longer, which can contribute to stability at speed.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- −10 mm
- Shorter frame reach
- Wheelbase
- +7 mm
- Longer: steadier at speed
- Head angle
- −1.5°
- Slacker: calmer steering
- Chainstays
- −2 mm
- About the same
The two frames
Specialized Allez Elite, 54Specialized Roubaix SL8 Comp, 52Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Allez Elite 54 | Specialized Roubaix SL8 Comp 52 | Difference |
|---|---|---|---|
| Reach | 380 | 370 | −10 mm |
| Stack | 570 | 570 | ±0 mm |
| Head tube angle | 73° | 71.5 | −1.5° |
| Seat tube angle | 73.25° | 74 | +0.8° |
| Chainstay length | 420mm | 418 | −2 mm |
| Wheelbase | 991mm | 998 | +7 mm |
| Standover | 763mm | 747 | −16 mm |
| Seat tube length | 510mm | 446 | −64 mm |
| Fork length | 368mm | not listed | |
| Head tube length | 155mm | 105 | −50 mm |
| Effective top tube | not listed | 534 | |
| BB height | not listed | 269 |
Differences are the Specialized Roubaix SL8 Comp minus the Specialized Allez Elite. Full charts: 2021 Specialized Allez Elite, 2023 Specialized Roubaix SL8 Comp.
Where each sits in its class
Specialized Allez EliteSpecialized Roubaix SL8 Comp
Each bike is ranked against the other road bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Specialized Allez EliteElite | Specialized Roubaix SL8 CompSL8 Comp |
|---|---|---|
| Frame | Specialized Allez | Specialized FACT 10R |
| Fork | Specialized FACT | Specialized Future Shock 3.2 |
| Shifter | Shimano 105 R7000 | Shimano 105 |
| Derailleur | Shimano 105, Shimano 105 R7000 GS | Shimano 105 |
| Cassette | Shimano 105 | Shimano 105 |
| Chain | KMC X11 Extra | Shimano 105 |
| Crankset | Praxis Alba | Shimano 105 |
| Wheelset | DT Swiss R460 | DT Swiss G540 |
| Tire | Specialized Roadsport | S Works Mondo, S Works Mondo 2BR |
| Brake | Specialized Axis 1.0 | Shimano 105 |
| Handlebar | Specialized Shallow Drop | Specialized Hover |
| Saddle | Specialized Bridge Saddle | Specialized Body Geometry Power Sport |
| Chainring | not listed | Shimano 105 |
| Bottom bracket | not listed | Shimano 105 |
| Rotor | not listed | Shimano 105 |
| Stem | not listed | Specialized Future Stem |
| Bar tape | not listed | Supacaz Super Sticky Kush |
| Seatpost | not listed | Specialized S-Works Pavé |
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